Mixing doing the high intensity, the high Characteristic cement type soil improvement body null

摘要

PROBLEM TO BE SOLVED: To provide a high-strength and high-toughness cement-based soil improving body using fiber reinforcement which is used for an underground structure of an earth-retaining wall/foundation etc. of a building or civil engineering structure.;SOLUTION: Polypropylene fibers are mixed by 0.4-2% based on the volume ratio of the soil improving body, and kneaded with soil so as to reinforce a matrix. In the polypropylene fibers with a fracture strength of 200-1,200 MPa, the ratio of the length of the fiber to the thickness of the fiber is adjusted to 1,000 or more so that the fibers can be intertwined with one another by being kneaded and agitated.;COPYRIGHT: (C)2008,JPO&INPIT